Finding the Fourth Proportional to 64,003.68, 88,328.52 and 35,709.12

Step by Step Solution

1. Step 1: Write the proportion equation
   64,003.68 : 88,328.52 = 35,709.12 : x
2. Step 2: Convert to fraction form
   64,003.68/88,328.52 = 35,709.12/x
3. Step 3: Cross multiply
   64,003.68x = 88,328.52 × 35,709.12
4. Step 4: Simplify right side
   64,003.68x = 3,154,133,720.10
5. Step 5: Solve for x
   x = 3,154,133,720.10/64,003.68
6. Step 6: Final answer
   x = 49,280.51